def ppo_mm_extra_args(extra_args_provider, parser):
    """Extra arguments."""
    parser = extra_args_provider(parser)

    group = parser.add_argument_group(title='ppo mm extra arguments')
    group.add_argument('--ppo-mm-rule-type',
                       choices=['captcha', 'nq_hotpotq', 'geometry3k', 'agent', "import_file"],
                       type=str,
                       default='captcha',
                       help='多模态中不同的 rule 计算规则')
    return parser
